please help me with all the parts i am having issues with this section, thank yo

Question

please help me with all the parts i am having issues with this section, thank you.

Class Management Help HW3 Begin Date: 2/27/2018 12:01:00 AM -- Due Date: 3/28/2018 11:59:00 PM End Date: 3/30/2018 11:59:00 PMM (896) Problem 5: An electric current != 0.15 A is traveling in a circular wire with radius R 0.025 m. ds Randomized Variables 1=0.15 A R= 0.025 m ©theexpertta.com > 25% Part (a) Express the magnetic field vector B produced at the center O in terms of the current I, the radius vector R, and the length element vector ds Grade Summary Deductions Potential 0% 100% 4? Submissions Attempts i (20% per attempt) detailed view Hol HoI 4? Submit Hint I give up! Hints: -deduction per hint. Hints remaining: 2 Feedback: 0%, deduction per feedback. -? 25% Part (b) What's the direction of the magnetic field at point O? - 25% Part (c) Express the magnitude of the magnetic field at point O in terms ofland R. -? 25% Part (d) Calculate the numerical value of B, in tesla. All content 2018 Expert TA, LLC

Explanation / Answer

A) using biot -savart's law

magnetic field is B = [mu_o*I/(4*pi)]*integral(ds X R)/R^3

b) out of the page

c) B = [mu_o*I/(4*pi)]*integral(ds X R)/R^3

B = mu_o*I/(2*R)

d) B = (4*3.142*10^-7*0.15)/(2*0.025) = 3.77*10^-6 T

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